Why did the Progressive Movement develop?

The
Progressive Movement developed to deal with problems existing in our country. Writers began to
publicize some of the abuses or injustices in our society. When people learned that average
citizens were being harmed, they wanted actions to be taken to correct these problems.

When Upton Sinclair wrote The Jungle , people demanded that
conditions in the meat industry be improved. When people learned that foods were falsely being
labeled and sold for higher...